down grade

常見例句

The economic situation in these countries is on the down grade.
這些國家的經(jīng)濟(jì)形勢每況愈下。
This paper discusses the security problems of how to ensure air-filled time in periodic train braking and low-speed running problem for heavy haul trains on the long heavy down grade.
對長大下坡道區(qū)段開行重載列車如何保證周期制動(dòng)時(shí)列車制動(dòng)機(jī)充風(fēng)時(shí)間及低速慢行等安全問題作了論述，提出了相應(yīng)的驗(yàn)算評價(jià)方法和機(jī)車動(dòng)力制動(dòng)故障時(shí)安全運(yùn)行的應(yīng)急措施。
But first I had to ask him about S&P lowering the outlook for Berkshire Hathaway debt (which is rated AA+) from stable to negative in the wake of the credit down grade of U.S. Treasuries.
但鑒于標(biāo)準(zhǔn)普爾（S&P）在調(diào)低美國國債的信用評級后不久，又將伯克希爾?哈撒韋公司的債券評級（被評為AA+級）預(yù)期從“穩(wěn)定”調(diào)低至“負(fù)面”，因此，首先我要征求一下他對這件事的看法。

I don't grade down for grammar.
但我不會(huì)因?yàn)檎Z法錯(cuò)誤給他們低分。
與哲學(xué)系教授 - SpeakingMax英語口語達(dá)人

Then, with the unstoppable momentum of a train going down a grade, the service picked up speed.
NPR: Excerpt: 'The Prince of Frogtown'
In the year to date, likewise, returns are higher down the grade.
FORBES: Connect
The down market grade is awarded in a similar fashion.
FORBES: The Forbes Fund Grading System